/Engine/Plugins/Importers/USDImporter/Source/USDStage/Public/USDStageActor.h
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="USD", Meta=(CallInEditor="true")) void SetMaterialPurpose ( const [FName](API\Runtime\Core\UObject\FName) & NewMaterialPurpose )